What If We Got Sunlight All Wrong? The Truth About Vitamin D & Chronic Disease episode artwork

EPISODE · Jul 14, 2025 · 37 MIN

What If We Got Sunlight All Wrong? The Truth About Vitamin D & Chronic Disease

from The Dr. Hyman Show · host Dr. Mark Hyman

Sunlight has long been vilified for its link to skin cancer, yet hiding from it entirely may be costing us far more. Vitamin D, made primarily through sun exposure, plays a pivotal role in everything from bone strength and immune defense to mood regulation, cancer prevention, and even longevity. Shockingly, over 80% of people have levels too low to unlock its protective powers—putting them at greater risk for chronic illness, and even premature death. Research shows that raising vitamin D to optimal levels could prevent hundreds of thousands of deaths each year, rivaling or surpassing the impact of many medical interventions. With a few minutes of daily sun, the right kind of supplementation, and awareness of how our lifestyles block this essential nutrient, reclaiming our health may be simpler than we think. In this episode, I discuss, along with Dr. Cindy Geyer, the critical role of vitamin D in preventing chronic disease, boosting immunity, and promoting overall health. Dr. Cindy Geyer received her bachelor of science and her doctor of medicine degrees, with honors, from the Ohio State University. She completed residency in internal medicine at Strong Memorial Hospital in Rochester, N.Y. and is triple board certified in internal medicine, integrative medicine and lifestyle medicine. This episode is brought to you by BIOptimizers. Head to bioptimizers.com/hyman and use code HYMAN10 to save 10%. Full-length episodes can be found here: Do You Need To Take Vitamin D?Choosing Skin Care Products that Won’t Make You SickWhy Boosting Your Vitamin D Could Change Your Life

Episode metadata supplied by the publisher feed · Published Jul 14, 2025

Embed this episode

NOW PLAYING

What If We Got Sunlight All Wrong? The Truth About Vitamin D & Chronic Disease

0:00 37:02

No transcript for this episode yet

We transcribe on demand. Request one and we'll notify you when it's ready — usually under 10 minutes.

No similar episodes found.

No similar podcasts found.

Frequently Asked Questions

How long is this episode of The Dr. Hyman Show?

This episode is 37 minutes long.

When was this The Dr. Hyman Show episode published?

This episode was published on July 14, 2025.

Can I download this The Dr. Hyman Show episode?

Yes. Use the download control on the episode player to save the publisher-provided media file.
URL copied to clipboard!